1016560160666 has 8 divisors (see below), whose sum is σ = 1524969489204. Its totient is φ = 508236997600.

The previous prime is 1016560160663. The next prime is 1016560160677. The reversal of 1016560160666 is 6660610656101.

It can be written as a sum of positive squares in 2 ways, for example, as 893741453641 + 122818707025 = 945379^2 + 350455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1016560160663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21511865 + ... + 21559068.

Almost surely, 2^{1016560160666} is an apocalyptic number.

1016560160666 is a deficient number, since it is larger than the sum of its proper divisors (508409328538).

1016560160666 is a wasteful number, since it uses less digits than its factorization.

1016560160666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43082736.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 1016560160666 in words is "one trillion, sixteen billion, five hundred sixty million, one hundred sixty thousand, six hundred sixty-six".